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Visualizing Human Biology

Kathleen Anne Ireland

Chapter 2

Where Do We Come from and Where Do We Fit? - all with Video Answers

Educators

Chapter Questions

03:00

Problem 1

The first member of the family Hominidae that has been identified from more than a skull fragment is
a. $H$. sapiens
c. A. afarensis
b. H. habilis
d. S. tchadensis

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01:57

Problem 2

As shown in this figure, the species of man that has the longest survivorship thus far is
a. H. sapiens
b. H. erectus
c. H. habilis
d. This information is not given on the figure.

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01:43

Problem 3

In this image, you can see different species of human.
a. 1
c. 4
b. 2
d.

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02:55

Problem 4

The significance of the skull fragments, shown on the next page is that
a. they can be identified as human
b. they represent the missing link that gave rise to the genus Homo
c. they helped us correctly date the emergence of modern man
d. the finding of these skull fragments proved that Leakey was correct in his estimate of the age of man

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02:53

Problem 5

Australopithecus showed both social behaviors and sexual dimorphism.
a. true
b. false

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01:06

Problem 6

The lighter, more graceful hominids that evolved after Homo habilis were
a. Homo erectus
b. Homo ergaster
c. Homo sapiens
d. All of the above evolved after H habilis.

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00:30

Problem 7

Homo erectus were never contemporaries of H. sapiens.
a. true
b. false

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00:40

Problem 8

Homo sapiens appeared as a group that had splintered off of the original hominid population approximately
a. 140,000 to 100,000 years ago
b. 195,000 years ago
c. 500,000 years ago
d. Scientists have no idea when this splintering might have taken place.

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01:47

Problem 9

In this diagram, the section that indicates nutrients is labeled
a. $\mathrm{A}$
b. B
c. $\mathrm{C}$
d. D

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01:18

Problem 10

This image gives a vivid example of
a. the loss of energy as heat from our bodies
b. the recycling of oxygen through our bodies
c. the one-way flow of chemicals through our bodies
d. the cycling of energy through our bodies

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01:42

Problem 11

The function of the skeleto-muscular system is to
a. support and provide movement
b. circulate nutrients, oxygen, carbon dioxide, and chemical messengers throughout the body
c. regulate long-term changes
d. protect against disease

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01:18

Problem 12

The system that functions to regulate fluid balance and purification is the
a. endocrine system
c. Iymphatic system
b. reproductive system
d. urinary system

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01:04

Problem 13

The system indicated by this photo is the
a. cardiovascular system
b. sensory system
c. respiratory system
d. reproductive system

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02:11

Problem 14

A pig can be classified as a(n)
a. herbivore
c. omnivore
b. carnivore
d. detritivore

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01:31

Problem 15

The organisms that are responsible for fixing the organic compounds used by the rest of the food chain are referred to as
a. consumers
c. producers
b. cyanobacteria
d. heterotrophs

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